Congrats to Dave!
The full citation:
Toews, D.P.L., M. Mandic, J.G. Richards, and D.E. Irwin. 2013. Migration, mitochondria, and the yellow-rumped warbler. Evolution 68: 241-255. Link; PDF
See also:
The UBC press release
The Guardian article
New Scientist article
Science Daily article
10,000 Birds article